Handset telephone



FIG. 1 is a top and right side perspective view of a handset telephone showing my new design;

FIG. 2 is a front, bottom and left side perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a rear elevational view. 

The ornamental design for a handset telephone, as shown and described. 